Home / 30,259.40-45,356.70-13,616.60

Finding the Fourth Proportional to 30,259.40, 45,356.70 and 13,616.60

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Solution

The fourth proportional to 30,259.40, 45,356.70 and 13,616.60 is: 20,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.40 : 45,356.70 = 13,616.60 : x
  2. Step 2: Convert to fraction form
    30,259.40/45,356.70 = 13,616.60/x
  3. Step 3: Cross multiply
    30,259.40x = 45,356.70 × 13,616.60
  4. Step 4: Simplify right side
    30,259.40x = 617,604,041.22
  5. Step 5: Solve for x
    x = 617,604,041.22/30,259.40
  6. Step 6: Final answer
    x = 20,410.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.